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Weather Alert Detail

  • Special Weather Statement for South Willamette Valley County, Oregon
  • Special Weather Statement issued November 28 at 5:00AM PST by NWS
  • Effective: Friday, November 28, 2014 at 5 a.m.
  • Expires: Friday, November 28, 2014 at 4 p.m.
  • ...UNSEASONABLY MILD WEATHER TO GIVE WAY TO MUCH COLDER
    TEMPERATURES AND POSSIBLE LOW ELEVATION SNOW BEGINNING TONIGHT...
    WHILE SOUTHWEST WASHINGTON AND NORTHWEST OREGON HAVE BEEN
    EXPERIENCING RECORD SETTING WARMTH FOR THE LAST SEVERAL DAYS...A
    MAJOR CHANGE IN THE WEATHER PATTERN IS ON THE WAY. A STRONG COLD
    FRONT WILL MOVE THROUGH THE REGION FROM NORTH TO SOUTH TONIGHT.
    WHILE SNOW LEVELS WILL INITIALLY BE HIGH...THEY WILL LOWER
    DRAMATICALLY BEHIND THE FRONT. AS A RESULT...POST FRONTAL SHOWERS
    MAY FALL AS A MIX OF RAIN AND SNOW DOWN TO THE VALLEY FLOOR LATE
    TONIGHT AND SATURDAY BEFORE THE PRECIPITATION ENDS BY SATURDAY NIGHT.
    TRAVEL WILL BECOME INCREASINGLY DIFFICULT THROUGH THE CASCADES AND
    EVENTUALLY THE FOOTHILLS TONIGHT AS RAIN CHANGES TO SNOW AND STARTS
    TO ACCUMULATE ON AREA ROADS. AN INITIAL BURST OF HEAVY SNOW IS
    EXPECTED WITH THE COLD FRONT TONIGHT...THEN SNOW SHOWERS WILL
    CONTINUE THROUGH MUCH OF SATURDAY. SEVERAL INCHES OF NEW SNOW ARE
    POSSIBLE IN THESE AREAS BY THE TIME SNOW TAPERS OFF SATURDAY NIGHT.
    OFFSHORE FLOW WILL THEN DEVELOP SATURDAY NIGHT...WITH GUSTY EAST
    WINDS CONTINUING THROUGH SUNDAY. AREAS IN AND AROUND THE WESTERN
    COLUMBIA RIVER GORGE MAY SEE WIND GUSTS OF 50 TO 70 MPH AT TIMES
    SUNDAY. THE EASTERLY FLOW WILL ALSO USHER IN A PERIOD OF MUCH COLDER
    TEMPERATURES AS IT PULLS IN AIR FROM AN ARCTIC AIR MASS ON THE EAST
    SIDE OF THE CASCADES.

  • Special Weather Statement for South Willamette Valley County, Oregon
  • Special Weather Statement issued November 28 at 5:00AM PST by NWS
  • Effective: Friday, November 28, 2014 at 5 a.m.
  • Expires: Friday, November 28, 2014 at 4 p.m.
  • ...UNSEASONABLY MILD WEATHER TO GIVE WAY TO MUCH COLDER
    TEMPERATURES AND POSSIBLE LOW ELEVATION SNOW BEGINNING TONIGHT...
    WHILE SOUTHWEST WASHINGTON AND NORTHWEST OREGON HAVE BEEN
    EXPERIENCING RECORD SETTING WARMTH FOR THE LAST SEVERAL DAYS...A
    MAJOR CHANGE IN THE WEATHER PATTERN IS ON THE WAY. A STRONG COLD
    FRONT WILL MOVE THROUGH THE REGION FROM NORTH TO SOUTH TONIGHT.
    WHILE SNOW LEVELS WILL INITIALLY BE HIGH...THEY WILL LOWER
    DRAMATICALLY BEHIND THE FRONT. AS A RESULT...POST FRONTAL SHOWERS
    MAY FALL AS A MIX OF RAIN AND SNOW DOWN TO THE VALLEY FLOOR LATE
    TONIGHT AND SATURDAY BEFORE THE PRECIPITATION ENDS BY SATURDAY NIGHT.
    TRAVEL WILL BECOME INCREASINGLY DIFFICULT THROUGH THE CASCADES AND
    EVENTUALLY THE FOOTHILLS TONIGHT AS RAIN CHANGES TO SNOW AND STARTS
    TO ACCUMULATE ON AREA ROADS. AN INITIAL BURST OF HEAVY SNOW IS
    EXPECTED WITH THE COLD FRONT TONIGHT...THEN SNOW SHOWERS WILL
    CONTINUE THROUGH MUCH OF SATURDAY. SEVERAL INCHES OF NEW SNOW ARE
    POSSIBLE IN THESE AREAS BY THE TIME SNOW TAPERS OFF SATURDAY NIGHT.
    OFFSHORE FLOW WILL THEN DEVELOP SATURDAY NIGHT...WITH GUSTY EAST
    WINDS CONTINUING THROUGH SUNDAY. AREAS IN AND AROUND THE WESTERN
    COLUMBIA RIVER GORGE MAY SEE WIND GUSTS OF 50 TO 70 MPH AT TIMES
    SUNDAY. THE EASTERLY FLOW WILL ALSO USHER IN A PERIOD OF MUCH COLDER
    TEMPERATURES AS IT PULLS IN AIR FROM AN ARCTIC AIR MASS ON THE EAST
    SIDE OF THE CASCADES.